.screens {
  width: 100%;
  position: relative;
  overflow: hidden;
  /*top:-637px;*/
  /*设置每个界面的背景图片属性*/
  /*背景图片属性设置完毕*/
  /*screen1中设置的样式*/
  /*界面右侧边栏控制按钮*/
  /*设置每个界面的标题和注释文字的样式一样*/
  /*标题样式结束*/
}
.screens .screen {
  width: 100%;
  height: 665px;
}
.screens div.screen a {
  text-decoration: none;
  display: block;
  width: 100%;
  height: 665px;
}
.screens .screen a .contain {
  width: 1200px;
  height: 665px;
  position: absolute;
  left: 50%;
  margin-left: -600px;
  overflow: hidden;
}
.screens div.screen1 {
  background-image: url("../img/service/zt_service_bj1.jpg");
  background-repeat: no-repeat;
}
.screens div.screen2 {
  background-image: url("../img/service/zt_service_bj2.jpg");
  background-repeat: no-repeat;
}
.screens div.screen3 {
  background-image: url("../img/service/zt_service_bj3.jpg");
  background-repeat: no-repeat;
}
.screens div.screen4 {
  background-image: url("../img/service/zt_service_bj4.jpg");
  background-repeat: no-repeat;
}
.screens div.screen5 {
  background-image: url("../img/service/zt_service_bj5.jpg");
  background-repeat: no-repeat;
}
.screens div.screen6 {
  background-image: url("../img/service/zt_service_bj6.jpg");
  background-repeat: no-repeat;
}
.screens div.contain .screen1_left div {
  position: absolute;
}
.screens div.contain .screen1_left div:first-child {
  left: 0;
  top: 270px;
}
.screens div.contain .screen1_left div:nth-child(2) {
  left: 145px;
  top: 230px;
}
.screens div.contain .screen1_left div:nth-child(3) {
  left: 0;
  top: 375px;
}
.screens div.contain .screen1_left div:nth-child(4) {
  left: 0;
  top: 530px;
}
.screens div.contain .screen1_left div:nth-child(5) {
  left: 148px;
  top: 530px;
}
.screens div.contain .screen1_left div:nth-child(6) {
  left: 295px;
  top: 530px;
}
.screens div.contain .screen1_left div:nth-child(7) {
  left: 170px;
  top: 395px;
}
.screens div.contain .screen1_left div:nth-child(8) {
  left: -650px;
  top: -300px;
  animation: rotate 20s infinite linear;
}
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
.screens div.contain .screen1_right div {
  display: block;
  position: absolute;
}
.screens div.contain .screen1_right div:first-child {
  left: 880px;
  top: 150px;
}
.screens div.contain .screen1_right div:nth-child(2) {
  left: 790px;
  top: 320px;
}
.screens div.contain .screen1_right div:nth-child(3) {
  left: 865px;
  top: 490px;
}
.screens ul.service_tab {
  width: 17px;
  background: url("../img/school/nav_ico_bj.png") repeat-y center top;
  position: fixed;
  right: 25px;
  top: 50%;
  margin-top: -115px;
  z-index: 10;
}
.screens li.service_tab_button {
  display: block;
  width: 9px;
  height: 9px;
  margin: 25px auto;
  background-color: #ffffff;
  border-radius: 100%;
  /*opacity: 1;*/
}
.screens .title p {
  line-height: 50px;
  text-align: center;
  margin: 0;
}
.screens .title p:first-child img {
  display: block;
  padding-top: 140px;
  margin: 0 auto;
}
.screens .title p:last-child {
  font-size: 18px;
  color: white;
}
.screens .screen2 .img_content div {
  position: absolute;
}
.screens .screen2 .img_content div:first-child {
  left: 950px;
  top: 550px;
  z-index: 3;
}
.screens .screen2 .img_content div:nth-child(2) {
  left: 760px;
  top: 605px;
  z-index: 2;
}
.screens .screen2 .img_content div:nth-child(3) {
  left: 80px;
  top: 535px;
  z-index: 3;
}
.screens .screen2 .img_content div:nth-child(4) {
  left: 330px;
  top: 755px;
}
.screens .screen2 .img_content div:nth-child(5) {
  left: 170px;
  top: 340px;
  z-index: 3;
}
.screens .screen2 .img_content div:nth-child(6) {
  left: 510px;
  top: 485px;
}
.screens .screen2 .img_content div:nth-child(7) {
  left: 560px;
  top: 360px;
}
.screens .img_content3_left {
  width: 500px;
  position: absolute;
  left: 80px;
  top: 280px;
}
.screens .img_content3_left div {
  display: inline-block;
  margin-right: 20px;
}
.screens .img_content3_right div {
  position: absolute;
}
.screens .img_content3_right div:first-child {
  right: 50px;
  top: 330px;
}
.screens .img_content3_right div:nth-child(2) {
  right: 148px;
  top: 330px;
}
.screens .img_content3_right div:nth-child(3) {
  right: 238px;
  top: 300px;
}
.screens .img_content3_right div:nth-child(4) {
  right: 303px;
  top: 270px;
}
.screens .screen4 ul {
  /*width:700px;*/
  margin: 0 auto;
  text-align: center;
}
.screens .screen4 ul li {
  display: inline-block;
  margin: 30px 20px 0;
}
.screens .screen4_num div {
  display: block;
  position: absolute;
}
.screens .screen4_num div:nth-child(1) {
  top: 385px;
  left: 50%;
  margin-left: -225px;
  animation: rotate 20s infinite linear;
}
.screens .screen4_num div:nth-child(2) {
  left: 725px;
  top: 750px;
}
.screens .screen4_num div:nth-child(3) {
  left: 208px;
  top: 575px;
}
.screens .screen4_num div:nth-child(4) {
  left: 765px;
  top: 515px;
}
.screens .screen4_num div:nth-child(5) {
  left: 260px;
  top: 445px;
}
.screens .screen4_num div:nth-child(6) {
  top: 590px;
  width: 100%;
}
.screens .screen4_num div:nth-child(6) p {
  text-align: center;
  font-size: 30px;
  font-weight: bold;
  color: white;
}
.screens .screen5_img {
  width: 100%;
  position: absolute;
  bottom: 0;
  margin: 0;
  text-align: center;
}
.screens .screen5_img li {
  display: inline-block;
  width: 255px;
  text-align: center;
}
.screens .screen5_img li img {
  display: block;
  margin: 0 auto;
}
.screens .screen5_img li .bg_img {
  margin-top: -100px;
  animation: rotate 20s infinite linear;
}
.screens .screen5_img li p {
  color: white;
  font-size: 24px;
  font-weight: bold;
  line-height: 48px;
  margin-top: 35px;
}
.screens .screen6 {
  overflow: hidden;
}
.screens .screen6 .contain1 {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  position: relative;
}
.screens .screen6 .title ul {
  text-align: center;
}
.screens .screen6 .title ul li {
  display: inline-block;
  padding: 20px 10px 0;
  font-size: 18px;
  color: #d9a960;
}
.screens .screen6 .screen6_img div {
  position: absolute;
  display: block;
}
.screens .screen6 .screen6_img div:nth-child(1) {
  width: 605px;
  height: 370px;
  top: 495px;
  left: -130px;
  z-index: 3;
}
.screens .screen6 .screen6_img div:nth-child(2) {
  width: 1263px;
  height: 438px;
  top: 325px;
  left: 30px;
  z-index: 2;
}
.screens .screen6 .screen6_img div:nth-child(3) {
  width: 915px;
  height: 510px;
  top: 281px;
  left: 417px;
  z-index: 1;
}
